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ËÅÑ¡¡Òúѹ·Ö¡ã¹ screening survey ¨ÐÁÕ¤Ó¨Ó¡Ñ´¤ÇÒÁ´Ñ§¹Õé
1. Demarcated opacity ÁÕÅѡɳÐ
Translucency ¢Í§ Enamel ¼Ô´»¡µÔ
Normal thickness with a smooth surface
Clear boundary à»ÅÕè¹໚¹ÊÕÁ‹Ç§
2. Diffuse opacity ÁÕÅѡɳдѧ¹Õé
Translucency ¢Í§ Enamel ¼Ô´»¡µÔ
Normal thickness with a smooth surface
No clear boundary à»ÅÕè¹໚¹ÊÕÁ‹Ç§
3. Hypoplasia
Reduce localized thickness of enamel : pits or groove
ã¹ general purpose epidemiological studies ¨ÐµÃǨÅÐàÍÕ´ÁÒ¡¡Ç‹Ò screening
survey â´Âẋ§¤ÇÒÁ¼Ô´»¡µÔ¢Í§ÊÕà¹×éÍà¤Å×ͺ¿˜¹ (Enamel) Í͡໚¹
Line ÁÕÅѡɳÐ໚¹àÊŒ¹ÊÕ¢ÒÇ (White line) 仵ÒÁâ¤Ã§ÊÌҧ¢Í§¿˜¹
Patchy ÁÕÅѡɳÐ໚¹ cloudy area of opacity and no clear boundary
Confluence ໚¹ÅѡɳТͧËÅÒÂæ patchy ÁÒÃÇÁ¡Ñ¹áÅШТÂÒ¢ͺࢵ
¡ÇŒÒ§ÁÒ¡¢Öé¹
ÀÒ¾·Õè 14 µÑÇÍ‹ҧ¡Òúѹ·Ö¡â´Â㪌 modified DDE index: General purpose
epidemiological study (G) áÅÐ screening surveys (S); Tooth; code G (code S): [29]
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